Attachment for a shotglass



FIG. 1 is a perspective view of my new design for an attachment for a shotglass;

FIG. 2 is a first side elevational view thereof, the opposite side view being a mirror image;

FIG. 3 is a third side elevational view thereof.

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken lines shown in the drawing views are included for the purpose of showing environmental structure that forms no part of the claimed design. 

CLAIM The ornamental design for an attachment for a shotglass, as shown and described. 